package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author: user1
 * date: 2022/1/22
 */
public class ListValueConstraintValidator  implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();

    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for(int val: vals){
            set.add(val);
        }
    }

    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {
        if(!set.contains(value)) {
            return false;
        }else{
            return true;
        }
    }
}
